CyberICT

CVE-2018-5407

Microsoft · Published April 29, 2026

CVSS v3.1

MEDIUM
Patch availableGet patch

Description

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.. Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.

Affected Products

  • cbl2 shim-unsigned-aarch64 15-5 on CBL Mariner 2.0
  • azl3 shim-unsigned-x64 16.1-1 on Azure Linux 3.0
  • azl3 shim-unsigned-aarch64 16.1-2 on Azure Linux 3.0
  • azl3 shim-unsigned-x64 16.1-2 on Azure Linux 3.0

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N